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Helicopter Physics
Speed Limit Light Painting
Posted 12 years ago by boyt in category: interesting   Comments (0)

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Why are there 60 seconds in one minute?
The ancient Babylonians used a number system with base 60 (sexagesimal)
Posted 12 years ago by boyt in category: interesting   Comments (0)

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How to green the world's deserts and reverse climate change
Allan Savory
Posted 11 years ago by boyt in category: interesting   Comments (4)

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The magic of Vedic math
Posted 11 years ago by boyt in category: interesting   Comments (2)

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What drums sound like in different environments
Posted 10 years ago by nkchandler in category: interesting   Comments (0)